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US 7,411,866 B1Granted
User interface containing acoustic sensing modules
AssigneeThe Hong Kong Polytechnic University
InventorsCatherine Ka Gee Hu, Kinsun Kin Sun Tung, Lawrence Ming Tat Lau
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Abstract
The present invention relates to a user interface system that is acoustically operated for the control of connected devices. Through the interface, acoustic sounds, such as tap, can be distinguished from less than 10 cm apart.
Claims8
An user interface system, comprising as components
- a matrix of at least 4 modules;
- an input data encoder;
- an output data decoder;
- a networking device;
- and
- a processor;
- wherein said modules are comprised of a knock sensor unit, comprising audible sensor, amplifier, and a signal modification system, and a RGB LED unit, comprising a lighting signal convertor, pulse width modulator, current limiter system, and LED groups, and said modules are between 1 cm to 10 cm apart.
4 more elements
Dependencies are inferred from the claim text.